RecipientEditTextView.java revision db7eabe04254528c048737a0b92966473ea2f319
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Point; 34import android.graphics.Rect; 35import android.graphics.RectF; 36import android.graphics.drawable.BitmapDrawable; 37import android.graphics.drawable.Drawable; 38import android.os.AsyncTask; 39import android.os.Build; 40import android.os.Handler; 41import android.os.Looper; 42import android.os.Message; 43import android.os.Parcelable; 44import android.text.Editable; 45import android.text.InputType; 46import android.text.Layout; 47import android.text.Spannable; 48import android.text.SpannableString; 49import android.text.SpannableStringBuilder; 50import android.text.Spanned; 51import android.text.TextPaint; 52import android.text.TextUtils; 53import android.text.TextWatcher; 54import android.text.method.QwertyKeyListener; 55import android.text.style.ImageSpan; 56import android.text.util.Rfc822Token; 57import android.text.util.Rfc822Tokenizer; 58import android.util.AttributeSet; 59import android.util.Log; 60import android.util.TypedValue; 61import android.view.ActionMode; 62import android.view.ActionMode.Callback; 63import android.view.DragEvent; 64import android.view.GestureDetector; 65import android.view.KeyEvent; 66import android.view.LayoutInflater; 67import android.view.Menu; 68import android.view.MenuItem; 69import android.view.MotionEvent; 70import android.view.View; 71import android.view.View.OnClickListener; 72import android.view.ViewParent; 73import android.view.inputmethod.EditorInfo; 74import android.view.inputmethod.InputConnection; 75import android.widget.AdapterView; 76import android.widget.AdapterView.OnItemClickListener; 77import android.widget.Button; 78import android.widget.Filterable; 79import android.widget.ListAdapter; 80import android.widget.ListPopupWindow; 81import android.widget.ListView; 82import android.widget.MultiAutoCompleteTextView; 83import android.widget.ScrollView; 84import android.widget.TextView; 85 86import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 87import com.android.ex.chips.recipientchip.DrawableRecipientChip; 88import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 89import com.android.ex.chips.recipientchip.VisibleRecipientChip; 90 91import java.util.ArrayList; 92import java.util.Arrays; 93import java.util.Collection; 94import java.util.Collections; 95import java.util.Comparator; 96import java.util.HashSet; 97import java.util.List; 98import java.util.Map; 99import java.util.Set; 100import java.util.regex.Matcher; 101import java.util.regex.Pattern; 102 103/** 104 * RecipientEditTextView is an auto complete text view for use with applications 105 * that use the new Chips UI for addressing a message to recipients. 106 */ 107public class RecipientEditTextView extends MultiAutoCompleteTextView implements 108 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 109 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 110 TextView.OnEditorActionListener { 111 112 private static final char COMMIT_CHAR_COMMA = ','; 113 114 private static final char COMMIT_CHAR_SEMICOLON = ';'; 115 116 private static final char COMMIT_CHAR_SPACE = ' '; 117 118 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 119 + String.valueOf(COMMIT_CHAR_SPACE); 120 121 private static final String TAG = "RecipientEditTextView"; 122 123 private static int DISMISS = "dismiss".hashCode(); 124 125 private static final long DISMISS_DELAY = 300; 126 127 // TODO: get correct number/ algorithm from with UX. 128 // Visible for testing. 129 /*package*/ static final int CHIP_LIMIT = 2; 130 131 private static final int MAX_CHIPS_PARSED = 50; 132 133 private static int sSelectedTextColor = -1; 134 135 // Resources for displaying chips. 136 private Drawable mChipBackground = null; 137 138 private Drawable mChipDelete = null; 139 140 private Drawable mInvalidChipBackground; 141 142 private Drawable mChipBackgroundPressed; 143 144 private float mChipHeight; 145 146 private float mChipFontSize; 147 148 private float mLineSpacingExtra; 149 150 private int mChipPadding; 151 152 private Tokenizer mTokenizer; 153 154 private Validator mValidator; 155 156 private DrawableRecipientChip mSelectedChip; 157 158 private int mAlternatesLayout; 159 160 private Bitmap mDefaultContactPhoto; 161 162 private ImageSpan mMoreChip; 163 164 private TextView mMoreItem; 165 166 // VisibleForTesting 167 final ArrayList<String> mPendingChips = new ArrayList<String>(); 168 169 private Handler mHandler; 170 171 private int mPendingChipsCount = 0; 172 173 private boolean mNoChips = false; 174 175 private ListPopupWindow mAlternatesPopup; 176 177 private ListPopupWindow mAddressPopup; 178 179 // VisibleForTesting 180 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 181 182 private ArrayList<DrawableRecipientChip> mRemovedSpans; 183 184 private boolean mShouldShrink = true; 185 186 // Chip copy fields. 187 private GestureDetector mGestureDetector; 188 189 private Dialog mCopyDialog; 190 191 private String mCopyAddress; 192 193 /** 194 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 195 * selected chip. 196 */ 197 private OnItemClickListener mAlternatesListener; 198 199 private int mCheckedItem; 200 201 private TextWatcher mTextWatcher; 202 203 // Obtain the enclosing scroll view, if it exists, so that the view can be 204 // scrolled to show the last line of chips content. 205 private ScrollView mScrollView; 206 207 private boolean mTriedGettingScrollView; 208 209 private boolean mDragEnabled = false; 210 211 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 212 // parens, so numbers such as "1 (425) 222-2342" match. 213 private static final Pattern PHONE_PATTERN 214 = Pattern.compile( // sdd = space, dot, or dash 215 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 216 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 217 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 218 219 private final Runnable mAddTextWatcher = new Runnable() { 220 @Override 221 public void run() { 222 if (mTextWatcher == null) { 223 mTextWatcher = new RecipientTextWatcher(); 224 addTextChangedListener(mTextWatcher); 225 } 226 } 227 }; 228 229 private IndividualReplacementTask mIndividualReplacements; 230 231 private Runnable mHandlePendingChips = new Runnable() { 232 233 @Override 234 public void run() { 235 handlePendingChips(); 236 } 237 238 }; 239 240 private Runnable mDelayedShrink = new Runnable() { 241 242 @Override 243 public void run() { 244 shrink(); 245 } 246 247 }; 248 249 private int mMaxLines; 250 251 private static int sExcessTopPadding = -1; 252 253 private int mActionBarHeight; 254 255 public RecipientEditTextView(Context context, AttributeSet attrs) { 256 super(context, attrs); 257 setChipDimensions(context, attrs); 258 if (sSelectedTextColor == -1) { 259 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 260 } 261 mAlternatesPopup = new ListPopupWindow(context); 262 mAddressPopup = new ListPopupWindow(context); 263 mCopyDialog = new Dialog(context); 264 mAlternatesListener = new OnItemClickListener() { 265 @Override 266 public void onItemClick(AdapterView<?> adapterView,View view, int position, 267 long rowId) { 268 mAlternatesPopup.setOnItemClickListener(null); 269 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 270 .getRecipientEntry(position)); 271 Message delayed = Message.obtain(mHandler, DISMISS); 272 delayed.obj = mAlternatesPopup; 273 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 274 clearComposingText(); 275 } 276 }; 277 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 278 setOnItemClickListener(this); 279 setCustomSelectionActionModeCallback(this); 280 mHandler = new Handler() { 281 @Override 282 public void handleMessage(Message msg) { 283 if (msg.what == DISMISS) { 284 ((ListPopupWindow) msg.obj).dismiss(); 285 return; 286 } 287 super.handleMessage(msg); 288 } 289 }; 290 mTextWatcher = new RecipientTextWatcher(); 291 addTextChangedListener(mTextWatcher); 292 mGestureDetector = new GestureDetector(context, this); 293 setOnEditorActionListener(this); 294 } 295 296 @Override 297 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 298 if (action == EditorInfo.IME_ACTION_DONE) { 299 if (commitDefault()) { 300 return true; 301 } 302 if (mSelectedChip != null) { 303 clearSelectedChip(); 304 return true; 305 } else if (focusNext()) { 306 return true; 307 } 308 } 309 return false; 310 } 311 312 @Override 313 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 314 InputConnection connection = super.onCreateInputConnection(outAttrs); 315 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 316 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 317 // clear the existing action 318 outAttrs.imeOptions ^= imeActions; 319 // set the DONE action 320 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 321 } 322 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 323 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 324 } 325 326 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 327 outAttrs.actionLabel = getContext().getString(R.string.done); 328 return connection; 329 } 330 331 /*package*/ DrawableRecipientChip getLastChip() { 332 DrawableRecipientChip last = null; 333 DrawableRecipientChip[] chips = getSortedRecipients(); 334 if (chips != null && chips.length > 0) { 335 last = chips[chips.length - 1]; 336 } 337 return last; 338 } 339 340 @Override 341 public void onSelectionChanged(int start, int end) { 342 // When selection changes, see if it is inside the chips area. 343 // If so, move the cursor back after the chips again. 344 DrawableRecipientChip last = getLastChip(); 345 if (last != null && start < getSpannable().getSpanEnd(last)) { 346 // Grab the last chip and set the cursor to after it. 347 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 348 } 349 super.onSelectionChanged(start, end); 350 } 351 352 @Override 353 public void onRestoreInstanceState(Parcelable state) { 354 if (!TextUtils.isEmpty(getText())) { 355 super.onRestoreInstanceState(null); 356 } else { 357 super.onRestoreInstanceState(state); 358 } 359 } 360 361 @Override 362 public Parcelable onSaveInstanceState() { 363 // If the user changes orientation while they are editing, just roll back the selection. 364 clearSelectedChip(); 365 return super.onSaveInstanceState(); 366 } 367 368 /** 369 * Convenience method: Append the specified text slice to the TextView's 370 * display buffer, upgrading it to BufferType.EDITABLE if it was 371 * not already editable. Commas are excluded as they are added automatically 372 * by the view. 373 */ 374 @Override 375 public void append(CharSequence text, int start, int end) { 376 // We don't care about watching text changes while appending. 377 if (mTextWatcher != null) { 378 removeTextChangedListener(mTextWatcher); 379 } 380 super.append(text, start, end); 381 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 382 String displayString = text.toString(); 383 384 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 385 // We have no separator, so we should add it 386 super.append(SEPARATOR, 0, SEPARATOR.length()); 387 displayString += SEPARATOR; 388 } 389 390 if (!TextUtils.isEmpty(displayString) 391 && TextUtils.getTrimmedLength(displayString) > 0) { 392 mPendingChipsCount++; 393 mPendingChips.add(displayString); 394 } 395 } 396 // Put a message on the queue to make sure we ALWAYS handle pending 397 // chips. 398 if (mPendingChipsCount > 0) { 399 postHandlePendingChips(); 400 } 401 mHandler.post(mAddTextWatcher); 402 } 403 404 @Override 405 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 406 super.onFocusChanged(hasFocus, direction, previous); 407 if (!hasFocus) { 408 shrink(); 409 } else { 410 expand(); 411 } 412 } 413 414 private int getExcessTopPadding() { 415 if (sExcessTopPadding == -1) { 416 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 417 } 418 return sExcessTopPadding; 419 } 420 421 @Override 422 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 423 super.setAdapter(adapter); 424 ((BaseRecipientAdapter) adapter) 425 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 426 @Override 427 public void onChanged(List<RecipientEntry> entries) { 428 // Scroll the chips field to the top of the screen so 429 // that the user can see as many results as possible. 430 if (entries != null && entries.size() > 0) { 431 scrollBottomIntoView(); 432 } 433 } 434 }); 435 } 436 437 private void scrollBottomIntoView() { 438 if (mScrollView != null && mShouldShrink) { 439 int[] location = new int[2]; 440 getLocationOnScreen(location); 441 int height = getHeight(); 442 int currentPos = location[1] + height; 443 // Desired position shows at least 1 line of chips below the action 444 // bar. We add excess padding to make sure this is always below other 445 // content. 446 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 447 if (currentPos > desiredPos) { 448 mScrollView.scrollBy(0, currentPos - desiredPos); 449 } 450 } 451 } 452 453 @Override 454 public void performValidation() { 455 // Do nothing. Chips handles its own validation. 456 } 457 458 private void shrink() { 459 if (mTokenizer == null) { 460 return; 461 } 462 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 463 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 464 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 465 clearSelectedChip(); 466 } else { 467 if (getWidth() <= 0) { 468 // We don't have the width yet which means the view hasn't been drawn yet 469 // and there is no reason to attempt to commit chips yet. 470 // This focus lost must be the result of an orientation change 471 // or an initial rendering. 472 // Re-post the shrink for later. 473 mHandler.removeCallbacks(mDelayedShrink); 474 mHandler.post(mDelayedShrink); 475 return; 476 } 477 // Reset any pending chips as they would have been handled 478 // when the field lost focus. 479 if (mPendingChipsCount > 0) { 480 postHandlePendingChips(); 481 } else { 482 Editable editable = getText(); 483 int end = getSelectionEnd(); 484 int start = mTokenizer.findTokenStart(editable, end); 485 DrawableRecipientChip[] chips = 486 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 487 if ((chips == null || chips.length == 0)) { 488 Editable text = getText(); 489 int whatEnd = mTokenizer.findTokenEnd(text, start); 490 // This token was already tokenized, so skip past the ending token. 491 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 492 whatEnd = movePastTerminators(whatEnd); 493 } 494 // In the middle of chip; treat this as an edit 495 // and commit the whole token. 496 int selEnd = getSelectionEnd(); 497 if (whatEnd != selEnd) { 498 handleEdit(start, whatEnd); 499 } else { 500 commitChip(start, end, editable); 501 } 502 } 503 } 504 mHandler.post(mAddTextWatcher); 505 } 506 createMoreChip(); 507 } 508 509 private void expand() { 510 if (mShouldShrink) { 511 setMaxLines(Integer.MAX_VALUE); 512 } 513 removeMoreChip(); 514 setCursorVisible(true); 515 Editable text = getText(); 516 setSelection(text != null && text.length() > 0 ? text.length() : 0); 517 // If there are any temporary chips, try replacing them now that the user 518 // has expanded the field. 519 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 520 new RecipientReplacementTask().execute(); 521 mTemporaryRecipients = null; 522 } 523 } 524 525 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 526 paint.setTextSize(mChipFontSize); 527 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 528 Log.d(TAG, "Max width is negative: " + maxWidth); 529 } 530 return TextUtils.ellipsize(text, paint, maxWidth, 531 TextUtils.TruncateAt.END); 532 } 533 534 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 535 // Ellipsize the text so that it takes AT MOST the entire width of the 536 // autocomplete text entry area. Make sure to leave space for padding 537 // on the sides. 538 int height = (int) mChipHeight; 539 int deleteWidth = height; 540 float[] widths = new float[1]; 541 paint.getTextWidths(" ", widths); 542 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 543 calculateAvailableWidth() - deleteWidth - widths[0]); 544 545 // Make sure there is a minimum chip width so the user can ALWAYS 546 // tap a chip without difficulty. 547 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 548 ellipsizedText.length())) 549 + (mChipPadding * 2) + deleteWidth); 550 551 // Create the background of the chip. 552 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 553 Canvas canvas = new Canvas(tmpBitmap); 554 if (mChipBackgroundPressed != null) { 555 mChipBackgroundPressed.setBounds(0, 0, width, height); 556 mChipBackgroundPressed.draw(canvas); 557 paint.setColor(sSelectedTextColor); 558 // Vertically center the text in the chip. 559 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 560 getTextYOffset((String) ellipsizedText, paint, height), paint); 561 // Make the delete a square. 562 Rect backgroundPadding = new Rect(); 563 mChipBackgroundPressed.getPadding(backgroundPadding); 564 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 565 0 + backgroundPadding.top, 566 width - backgroundPadding.right, 567 height - backgroundPadding.bottom); 568 mChipDelete.draw(canvas); 569 } else { 570 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 571 } 572 return tmpBitmap; 573 } 574 575 576 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 577 boolean leaveBlankIconSpacer) { 578 // Ellipsize the text so that it takes AT MOST the entire width of the 579 // autocomplete text entry area. Make sure to leave space for padding 580 // on the sides. 581 int height = (int) mChipHeight; 582 int iconWidth = height; 583 float[] widths = new float[1]; 584 paint.getTextWidths(" ", widths); 585 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 586 calculateAvailableWidth() - iconWidth - widths[0]); 587 // Make sure there is a minimum chip width so the user can ALWAYS 588 // tap a chip without difficulty. 589 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 590 ellipsizedText.length())) 591 + (mChipPadding * 2) + iconWidth); 592 593 // Create the background of the chip. 594 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 595 Canvas canvas = new Canvas(tmpBitmap); 596 Drawable background = getChipBackground(contact); 597 if (background != null) { 598 background.setBounds(0, 0, width, height); 599 background.draw(canvas); 600 601 // Don't draw photos for recipients that have been typed in OR generated on the fly. 602 long contactId = contact.getContactId(); 603 boolean drawPhotos = isPhoneQuery() ? 604 contactId != RecipientEntry.INVALID_CONTACT 605 : (contactId != RecipientEntry.INVALID_CONTACT 606 && (contactId != RecipientEntry.GENERATED_CONTACT && 607 !TextUtils.isEmpty(contact.getDisplayName()))); 608 if (drawPhotos) { 609 byte[] photoBytes = contact.getPhotoBytes(); 610 // There may not be a photo yet if anything but the first contact address 611 // was selected. 612 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 613 // TODO: cache this in the recipient entry? 614 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 615 .getPhotoThumbnailUri()); 616 photoBytes = contact.getPhotoBytes(); 617 } 618 619 Bitmap photo; 620 if (photoBytes != null) { 621 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 622 } else { 623 // TODO: can the scaled down default photo be cached? 624 photo = mDefaultContactPhoto; 625 } 626 // Draw the photo on the left side. 627 if (photo != null) { 628 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 629 Rect backgroundPadding = new Rect(); 630 mChipBackground.getPadding(backgroundPadding); 631 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 632 0 + backgroundPadding.top, 633 width - backgroundPadding.right, 634 height - backgroundPadding.bottom); 635 Matrix matrix = new Matrix(); 636 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 637 canvas.drawBitmap(photo, matrix, paint); 638 } 639 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 640 iconWidth = 0; 641 } 642 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 643 // Vertically center the text in the chip. 644 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 645 getTextYOffset((String)ellipsizedText, paint, height), paint); 646 } else { 647 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 648 } 649 return tmpBitmap; 650 } 651 652 /** 653 * Get the background drawable for a RecipientChip. 654 */ 655 // Visible for testing. 656 /* package */Drawable getChipBackground(RecipientEntry contact) { 657 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 658 } 659 660 private static float getTextYOffset(String text, TextPaint paint, int height) { 661 Rect bounds = new Rect(); 662 paint.getTextBounds(text, 0, text.length(), bounds); 663 int textHeight = bounds.bottom - bounds.top ; 664 return height - ((height - textHeight) / 2) - (int)paint.descent(); 665 } 666 667 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 668 boolean leaveIconSpace) throws NullPointerException { 669 if (mChipBackground == null) { 670 throw new NullPointerException( 671 "Unable to render any chips as setChipDimensions was not called."); 672 } 673 674 TextPaint paint = getPaint(); 675 float defaultSize = paint.getTextSize(); 676 int defaultColor = paint.getColor(); 677 678 Bitmap tmpBitmap; 679 if (pressed) { 680 tmpBitmap = createSelectedChip(contact, paint); 681 682 } else { 683 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 684 } 685 686 // Pass the full text, un-ellipsized, to the chip. 687 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 688 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 689 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 690 // Return text to the original size. 691 paint.setTextSize(defaultSize); 692 paint.setColor(defaultColor); 693 return recipientChip; 694 } 695 696 /** 697 * Calculate the bottom of the line the chip will be located on using: 698 * 1) which line the chip appears on 699 * 2) the height of a chip 700 * 3) padding built into the edit text view 701 */ 702 private int calculateOffsetFromBottom(int line) { 703 // Line offsets start at zero. 704 int actualLine = getLineCount() - (line + 1); 705 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 706 + getDropDownVerticalOffset(); 707 } 708 709 /** 710 * Get the max amount of space a chip can take up. The formula takes into 711 * account the width of the EditTextView, any view padding, and padding 712 * that will be added to the chip. 713 */ 714 private float calculateAvailableWidth() { 715 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 716 } 717 718 719 private void setChipDimensions(Context context, AttributeSet attrs) { 720 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 721 0); 722 Resources r = getContext().getResources(); 723 724 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 725 if (mChipBackground == null) { 726 mChipBackground = r.getDrawable(R.drawable.chip_background); 727 } 728 mChipBackgroundPressed = a 729 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 730 if (mChipBackgroundPressed == null) { 731 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 732 } 733 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 734 if (mChipDelete == null) { 735 mChipDelete = r.getDrawable(R.drawable.chip_delete); 736 } 737 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 738 if (mChipPadding == -1) { 739 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 740 } 741 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 742 -1); 743 if (mAlternatesLayout == -1) { 744 mAlternatesLayout = R.layout.chips_alternate_item; 745 } 746 747 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 748 749 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 750 751 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 752 if (mChipHeight == -1) { 753 mChipHeight = r.getDimension(R.dimen.chip_height); 754 } 755 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 756 if (mChipFontSize == -1) { 757 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 758 } 759 mInvalidChipBackground = a 760 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 761 if (mInvalidChipBackground == null) { 762 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 763 } 764 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 765 mMaxLines = r.getInteger(R.integer.chips_max_lines); 766 TypedValue tv = new TypedValue(); 767 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 768 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 769 .getDisplayMetrics()); 770 } 771 a.recycle(); 772 } 773 774 // Visible for testing. 775 /* package */ void setMoreItem(TextView moreItem) { 776 mMoreItem = moreItem; 777 } 778 779 780 // Visible for testing. 781 /* package */ void setChipBackground(Drawable chipBackground) { 782 mChipBackground = chipBackground; 783 } 784 785 // Visible for testing. 786 /* package */ void setChipHeight(int height) { 787 mChipHeight = height; 788 } 789 790 /** 791 * Set whether to shrink the recipients field such that at most 792 * one line of recipients chips are shown when the field loses 793 * focus. By default, the number of displayed recipients will be 794 * limited and a "more" chip will be shown when focus is lost. 795 * @param shrink 796 */ 797 public void setOnFocusListShrinkRecipients(boolean shrink) { 798 mShouldShrink = shrink; 799 } 800 801 @Override 802 public void onSizeChanged(int width, int height, int oldw, int oldh) { 803 super.onSizeChanged(width, height, oldw, oldh); 804 if (width != 0 && height != 0) { 805 if (mPendingChipsCount > 0) { 806 postHandlePendingChips(); 807 } else { 808 checkChipWidths(); 809 } 810 } 811 // Try to find the scroll view parent, if it exists. 812 if (mScrollView == null && !mTriedGettingScrollView) { 813 ViewParent parent = getParent(); 814 while (parent != null && !(parent instanceof ScrollView)) { 815 parent = parent.getParent(); 816 } 817 if (parent != null) { 818 mScrollView = (ScrollView) parent; 819 } 820 mTriedGettingScrollView = true; 821 } 822 } 823 824 private void postHandlePendingChips() { 825 mHandler.removeCallbacks(mHandlePendingChips); 826 mHandler.post(mHandlePendingChips); 827 } 828 829 private void checkChipWidths() { 830 // Check the widths of the associated chips. 831 DrawableRecipientChip[] chips = getSortedRecipients(); 832 if (chips != null) { 833 Rect bounds; 834 for (DrawableRecipientChip chip : chips) { 835 bounds = chip.getBounds(); 836 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 837 // Need to redraw that chip. 838 replaceChip(chip, chip.getEntry()); 839 } 840 } 841 } 842 } 843 844 // Visible for testing. 845 /*package*/ void handlePendingChips() { 846 if (getViewWidth() <= 0) { 847 // The widget has not been sized yet. 848 // This will be called as a result of onSizeChanged 849 // at a later point. 850 return; 851 } 852 if (mPendingChipsCount <= 0) { 853 return; 854 } 855 856 synchronized (mPendingChips) { 857 Editable editable = getText(); 858 // Tokenize! 859 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 860 for (int i = 0; i < mPendingChips.size(); i++) { 861 String current = mPendingChips.get(i); 862 int tokenStart = editable.toString().indexOf(current); 863 // Always leave a space at the end between tokens. 864 int tokenEnd = tokenStart + current.length() - 1; 865 if (tokenStart >= 0) { 866 // When we have a valid token, include it with the token 867 // to the left. 868 if (tokenEnd < editable.length() - 2 869 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 870 tokenEnd++; 871 } 872 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 873 || !mShouldShrink); 874 } 875 mPendingChipsCount--; 876 } 877 sanitizeEnd(); 878 } else { 879 mNoChips = true; 880 } 881 882 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 883 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 884 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 885 new RecipientReplacementTask().execute(); 886 mTemporaryRecipients = null; 887 } else { 888 // Create the "more" chip 889 mIndividualReplacements = new IndividualReplacementTask(); 890 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 891 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 892 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 893 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 894 mTemporaryRecipients.subList(CHIP_LIMIT, 895 mTemporaryRecipients.size())); 896 } else { 897 mTemporaryRecipients = null; 898 } 899 createMoreChip(); 900 } 901 } else { 902 // There are too many recipients to look up, so just fall back 903 // to showing addresses for all of them. 904 mTemporaryRecipients = null; 905 createMoreChip(); 906 } 907 mPendingChipsCount = 0; 908 mPendingChips.clear(); 909 } 910 } 911 912 // Visible for testing. 913 /*package*/ int getViewWidth() { 914 return getWidth(); 915 } 916 917 /** 918 * Remove any characters after the last valid chip. 919 */ 920 // Visible for testing. 921 /*package*/ void sanitizeEnd() { 922 // Don't sanitize while we are waiting for pending chips to complete. 923 if (mPendingChipsCount > 0) { 924 return; 925 } 926 // Find the last chip; eliminate any commit characters after it. 927 DrawableRecipientChip[] chips = getSortedRecipients(); 928 Spannable spannable = getSpannable(); 929 if (chips != null && chips.length > 0) { 930 int end; 931 mMoreChip = getMoreChip(); 932 if (mMoreChip != null) { 933 end = spannable.getSpanEnd(mMoreChip); 934 } else { 935 end = getSpannable().getSpanEnd(getLastChip()); 936 } 937 Editable editable = getText(); 938 int length = editable.length(); 939 if (length > end) { 940 // See what characters occur after that and eliminate them. 941 if (Log.isLoggable(TAG, Log.DEBUG)) { 942 Log.d(TAG, "There were extra characters after the last tokenizable entry." 943 + editable); 944 } 945 editable.delete(end + 1, length); 946 } 947 } 948 } 949 950 /** 951 * Create a chip that represents just the email address of a recipient. At some later 952 * point, this chip will be attached to a real contact entry, if one exists. 953 */ 954 // VisibleForTesting 955 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 956 boolean visible) { 957 if (alreadyHasChip(tokenStart, tokenEnd)) { 958 // There is already a chip present at this location. 959 // Don't recreate it. 960 return; 961 } 962 String token = editable.toString().substring(tokenStart, tokenEnd); 963 final String trimmedToken = token.trim(); 964 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 965 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 966 token = trimmedToken.substring(0, trimmedToken.length() - 1); 967 } 968 RecipientEntry entry = createTokenizedEntry(token); 969 if (entry != null) { 970 DrawableRecipientChip chip = null; 971 try { 972 if (!mNoChips) { 973 /* 974 * leave space for the contact icon if this is not just an 975 * email address 976 */ 977 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 978 || TextUtils.equals(entry.getDisplayName(), 979 entry.getDestination()); 980 chip = visible ? 981 constructChipSpan(entry, false, leaveSpace) 982 : new InvisibleRecipientChip(entry); 983 } 984 } catch (NullPointerException e) { 985 Log.e(TAG, e.getMessage(), e); 986 } 987 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 988 // Add this chip to the list of entries "to replace" 989 if (chip != null) { 990 if (mTemporaryRecipients == null) { 991 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 992 } 993 chip.setOriginalText(token); 994 mTemporaryRecipients.add(chip); 995 } 996 } 997 } 998 999 private static boolean isPhoneNumber(String number) { 1000 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1001 // PhoneNumberUtil). One complication is that it requires the sender's region which 1002 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1003 if (TextUtils.isEmpty(number)) { 1004 return false; 1005 } 1006 1007 Matcher match = PHONE_PATTERN.matcher(number); 1008 return match.matches(); 1009 } 1010 1011 // VisibleForTesting 1012 RecipientEntry createTokenizedEntry(final String token) { 1013 if (TextUtils.isEmpty(token)) { 1014 return null; 1015 } 1016 if (isPhoneQuery() && isPhoneNumber(token)) { 1017 return RecipientEntry.constructFakePhoneEntry(token, true); 1018 } 1019 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1020 String display = null; 1021 boolean isValid = isValid(token); 1022 if (isValid && tokens != null && tokens.length > 0) { 1023 // If we can get a name from tokenizing, then generate an entry from 1024 // this. 1025 display = tokens[0].getName(); 1026 if (!TextUtils.isEmpty(display)) { 1027 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1028 isValid); 1029 } else { 1030 display = tokens[0].getAddress(); 1031 if (!TextUtils.isEmpty(display)) { 1032 return RecipientEntry.constructFakeEntry(display, isValid); 1033 } 1034 } 1035 } 1036 // Unable to validate the token or to create a valid token from it. 1037 // Just create a chip the user can edit. 1038 String validatedToken = null; 1039 if (mValidator != null && !isValid) { 1040 // Try fixing up the entry using the validator. 1041 validatedToken = mValidator.fixText(token).toString(); 1042 if (!TextUtils.isEmpty(validatedToken)) { 1043 if (validatedToken.contains(token)) { 1044 // protect against the case of a validator with a null 1045 // domain, 1046 // which doesn't add a domain to the token 1047 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1048 if (tokenized.length > 0) { 1049 validatedToken = tokenized[0].getAddress(); 1050 isValid = true; 1051 } 1052 } else { 1053 // We ran into a case where the token was invalid and 1054 // removed 1055 // by the validator. In this case, just use the original 1056 // token 1057 // and let the user sort out the error chip. 1058 validatedToken = null; 1059 isValid = false; 1060 } 1061 } 1062 } 1063 // Otherwise, fallback to just creating an editable email address chip. 1064 return RecipientEntry.constructFakeEntry( 1065 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1066 } 1067 1068 private boolean isValid(String text) { 1069 return mValidator == null ? true : mValidator.isValid(text); 1070 } 1071 1072 private static String tokenizeAddress(String destination) { 1073 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1074 if (tokens != null && tokens.length > 0) { 1075 return tokens[0].getAddress(); 1076 } 1077 return destination; 1078 } 1079 1080 @Override 1081 public void setTokenizer(Tokenizer tokenizer) { 1082 mTokenizer = tokenizer; 1083 super.setTokenizer(mTokenizer); 1084 } 1085 1086 @Override 1087 public void setValidator(Validator validator) { 1088 mValidator = validator; 1089 super.setValidator(validator); 1090 } 1091 1092 /** 1093 * We cannot use the default mechanism for replaceText. Instead, 1094 * we override onItemClickListener so we can get all the associated 1095 * contact information including display text, address, and id. 1096 */ 1097 @Override 1098 protected void replaceText(CharSequence text) { 1099 return; 1100 } 1101 1102 /** 1103 * Dismiss any selected chips when the back key is pressed. 1104 */ 1105 @Override 1106 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1107 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1108 clearSelectedChip(); 1109 return true; 1110 } 1111 return super.onKeyPreIme(keyCode, event); 1112 } 1113 1114 /** 1115 * Monitor key presses in this view to see if the user types 1116 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1117 * If the user has entered text that has contact matches and types 1118 * a commit key, create a chip from the topmost matching contact. 1119 * If the user has entered text that has no contact matches and types 1120 * a commit key, then create a chip from the text they have entered. 1121 */ 1122 @Override 1123 public boolean onKeyUp(int keyCode, KeyEvent event) { 1124 switch (keyCode) { 1125 case KeyEvent.KEYCODE_TAB: 1126 if (event.hasNoModifiers()) { 1127 if (mSelectedChip != null) { 1128 clearSelectedChip(); 1129 } else { 1130 commitDefault(); 1131 } 1132 } 1133 break; 1134 } 1135 return super.onKeyUp(keyCode, event); 1136 } 1137 1138 private boolean focusNext() { 1139 View next = focusSearch(View.FOCUS_DOWN); 1140 if (next != null) { 1141 next.requestFocus(); 1142 return true; 1143 } 1144 return false; 1145 } 1146 1147 /** 1148 * Create a chip from the default selection. If the popup is showing, the 1149 * default is the first item in the popup suggestions list. Otherwise, it is 1150 * whatever the user had typed in. End represents where the the tokenizer 1151 * should search for a token to turn into a chip. 1152 * @return If a chip was created from a real contact. 1153 */ 1154 private boolean commitDefault() { 1155 // If there is no tokenizer, don't try to commit. 1156 if (mTokenizer == null) { 1157 return false; 1158 } 1159 Editable editable = getText(); 1160 int end = getSelectionEnd(); 1161 int start = mTokenizer.findTokenStart(editable, end); 1162 1163 if (shouldCreateChip(start, end)) { 1164 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1165 // In the middle of chip; treat this as an edit 1166 // and commit the whole token. 1167 whatEnd = movePastTerminators(whatEnd); 1168 if (whatEnd != getSelectionEnd()) { 1169 handleEdit(start, whatEnd); 1170 return true; 1171 } 1172 return commitChip(start, end , editable); 1173 } 1174 return false; 1175 } 1176 1177 private void commitByCharacter() { 1178 // We can't possibly commit by character if we can't tokenize. 1179 if (mTokenizer == null) { 1180 return; 1181 } 1182 Editable editable = getText(); 1183 int end = getSelectionEnd(); 1184 int start = mTokenizer.findTokenStart(editable, end); 1185 if (shouldCreateChip(start, end)) { 1186 commitChip(start, end, editable); 1187 } 1188 setSelection(getText().length()); 1189 } 1190 1191 private boolean commitChip(int start, int end, Editable editable) { 1192 ListAdapter adapter = getAdapter(); 1193 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1194 && end == getSelectionEnd() && !isPhoneQuery()) { 1195 // choose the first entry. 1196 submitItemAtPosition(0); 1197 dismissDropDown(); 1198 return true; 1199 } else { 1200 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1201 if (editable.length() > tokenEnd + 1) { 1202 char charAt = editable.charAt(tokenEnd + 1); 1203 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1204 tokenEnd++; 1205 } 1206 } 1207 String text = editable.toString().substring(start, tokenEnd).trim(); 1208 clearComposingText(); 1209 if (text != null && text.length() > 0 && !text.equals(" ")) { 1210 RecipientEntry entry = createTokenizedEntry(text); 1211 if (entry != null) { 1212 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1213 CharSequence chipText = createChip(entry, false); 1214 if (chipText != null && start > -1 && end > -1) { 1215 editable.replace(start, end, chipText); 1216 } 1217 } 1218 // Only dismiss the dropdown if it is related to the text we 1219 // just committed. 1220 // For paste, it may not be as there are possibly multiple 1221 // tokens being added. 1222 if (end == getSelectionEnd()) { 1223 dismissDropDown(); 1224 } 1225 sanitizeBetween(); 1226 return true; 1227 } 1228 } 1229 return false; 1230 } 1231 1232 // Visible for testing. 1233 /* package */ void sanitizeBetween() { 1234 // Don't sanitize while we are waiting for content to chipify. 1235 if (mPendingChipsCount > 0) { 1236 return; 1237 } 1238 // Find the last chip. 1239 DrawableRecipientChip[] recips = getSortedRecipients(); 1240 if (recips != null && recips.length > 0) { 1241 DrawableRecipientChip last = recips[recips.length - 1]; 1242 DrawableRecipientChip beforeLast = null; 1243 if (recips.length > 1) { 1244 beforeLast = recips[recips.length - 2]; 1245 } 1246 int startLooking = 0; 1247 int end = getSpannable().getSpanStart(last); 1248 if (beforeLast != null) { 1249 startLooking = getSpannable().getSpanEnd(beforeLast); 1250 Editable text = getText(); 1251 if (startLooking == -1 || startLooking > text.length() - 1) { 1252 // There is nothing after this chip. 1253 return; 1254 } 1255 if (text.charAt(startLooking) == ' ') { 1256 startLooking++; 1257 } 1258 } 1259 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1260 getText().delete(startLooking, end); 1261 } 1262 } 1263 } 1264 1265 private boolean shouldCreateChip(int start, int end) { 1266 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1267 } 1268 1269 private boolean alreadyHasChip(int start, int end) { 1270 if (mNoChips) { 1271 return true; 1272 } 1273 DrawableRecipientChip[] chips = 1274 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1275 if ((chips == null || chips.length == 0)) { 1276 return false; 1277 } 1278 return true; 1279 } 1280 1281 private void handleEdit(int start, int end) { 1282 if (start == -1 || end == -1) { 1283 // This chip no longer exists in the field. 1284 dismissDropDown(); 1285 return; 1286 } 1287 // This is in the middle of a chip, so select out the whole chip 1288 // and commit it. 1289 Editable editable = getText(); 1290 setSelection(end); 1291 String text = getText().toString().substring(start, end); 1292 if (!TextUtils.isEmpty(text)) { 1293 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1294 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1295 CharSequence chipText = createChip(entry, false); 1296 int selEnd = getSelectionEnd(); 1297 if (chipText != null && start > -1 && selEnd > -1) { 1298 editable.replace(start, selEnd, chipText); 1299 } 1300 } 1301 dismissDropDown(); 1302 } 1303 1304 /** 1305 * If there is a selected chip, delegate the key events 1306 * to the selected chip. 1307 */ 1308 @Override 1309 public boolean onKeyDown(int keyCode, KeyEvent event) { 1310 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1311 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1312 mAlternatesPopup.dismiss(); 1313 } 1314 removeChip(mSelectedChip); 1315 } 1316 1317 switch (keyCode) { 1318 case KeyEvent.KEYCODE_ENTER: 1319 case KeyEvent.KEYCODE_DPAD_CENTER: 1320 if (event.hasNoModifiers()) { 1321 if (commitDefault()) { 1322 return true; 1323 } 1324 if (mSelectedChip != null) { 1325 clearSelectedChip(); 1326 return true; 1327 } else if (focusNext()) { 1328 return true; 1329 } 1330 } 1331 break; 1332 } 1333 1334 return super.onKeyDown(keyCode, event); 1335 } 1336 1337 // Visible for testing. 1338 /* package */ Spannable getSpannable() { 1339 return getText(); 1340 } 1341 1342 private int getChipStart(DrawableRecipientChip chip) { 1343 return getSpannable().getSpanStart(chip); 1344 } 1345 1346 private int getChipEnd(DrawableRecipientChip chip) { 1347 return getSpannable().getSpanEnd(chip); 1348 } 1349 1350 /** 1351 * Instead of filtering on the entire contents of the edit box, 1352 * this subclass method filters on the range from 1353 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1354 * if the length of that range meets or exceeds {@link #getThreshold} 1355 * and makes sure that the range is not already a Chip. 1356 */ 1357 @Override 1358 protected void performFiltering(CharSequence text, int keyCode) { 1359 boolean isCompletedToken = isCompletedToken(text); 1360 if (enoughToFilter() && !isCompletedToken) { 1361 int end = getSelectionEnd(); 1362 int start = mTokenizer.findTokenStart(text, end); 1363 // If this is a RecipientChip, don't filter 1364 // on its contents. 1365 Spannable span = getSpannable(); 1366 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1367 if (chips != null && chips.length > 0) { 1368 return; 1369 } 1370 } else if (isCompletedToken) { 1371 return; 1372 } 1373 super.performFiltering(text, keyCode); 1374 } 1375 1376 // Visible for testing. 1377 /*package*/ boolean isCompletedToken(CharSequence text) { 1378 if (TextUtils.isEmpty(text)) { 1379 return false; 1380 } 1381 // Check to see if this is a completed token before filtering. 1382 int end = text.length(); 1383 int start = mTokenizer.findTokenStart(text, end); 1384 String token = text.toString().substring(start, end).trim(); 1385 if (!TextUtils.isEmpty(token)) { 1386 char atEnd = token.charAt(token.length() - 1); 1387 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1388 } 1389 return false; 1390 } 1391 1392 private void clearSelectedChip() { 1393 if (mSelectedChip != null) { 1394 unselectChip(mSelectedChip); 1395 mSelectedChip = null; 1396 } 1397 setCursorVisible(true); 1398 } 1399 1400 /** 1401 * Monitor touch events in the RecipientEditTextView. 1402 * If the view does not have focus, any tap on the view 1403 * will just focus the view. If the view has focus, determine 1404 * if the touch target is a recipient chip. If it is and the chip 1405 * is not selected, select it and clear any other selected chips. 1406 * If it isn't, then select that chip. 1407 */ 1408 @Override 1409 public boolean onTouchEvent(MotionEvent event) { 1410 if (!isFocused()) { 1411 // Ignore any chip taps until this view is focused. 1412 return super.onTouchEvent(event); 1413 } 1414 boolean handled = super.onTouchEvent(event); 1415 int action = event.getAction(); 1416 boolean chipWasSelected = false; 1417 if (mSelectedChip == null) { 1418 mGestureDetector.onTouchEvent(event); 1419 } 1420 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1421 float x = event.getX(); 1422 float y = event.getY(); 1423 int offset = putOffsetInRange(x, y); 1424 DrawableRecipientChip currentChip = findChip(offset); 1425 if (currentChip != null) { 1426 if (action == MotionEvent.ACTION_UP) { 1427 if (mSelectedChip != null && mSelectedChip != currentChip) { 1428 clearSelectedChip(); 1429 mSelectedChip = selectChip(currentChip); 1430 } else if (mSelectedChip == null) { 1431 setSelection(getText().length()); 1432 commitDefault(); 1433 mSelectedChip = selectChip(currentChip); 1434 } else { 1435 onClick(mSelectedChip, offset, x, y); 1436 } 1437 } 1438 chipWasSelected = true; 1439 handled = true; 1440 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1441 chipWasSelected = true; 1442 } 1443 } 1444 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1445 clearSelectedChip(); 1446 } 1447 return handled; 1448 } 1449 1450 private void scrollLineIntoView(int line) { 1451 if (mScrollView != null) { 1452 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1453 } 1454 } 1455 1456 private void showAlternates(final DrawableRecipientChip currentChip, 1457 final ListPopupWindow alternatesPopup, final int width) { 1458 new AsyncTask<Void, Void, ListAdapter>() { 1459 @Override 1460 protected ListAdapter doInBackground(final Void... params) { 1461 return createAlternatesAdapter(currentChip); 1462 } 1463 1464 @Override 1465 protected void onPostExecute(final ListAdapter result) { 1466 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1467 int bottom; 1468 if (line == getLineCount() -1) { 1469 bottom = 0; 1470 } else { 1471 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1472 .abs(getLineCount() - 1 - line))); 1473 } 1474 // Align the alternates popup with the left side of the View, 1475 // regardless of the position of the chip tapped. 1476 alternatesPopup.setWidth(width); 1477 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1478 alternatesPopup.setVerticalOffset(bottom); 1479 alternatesPopup.setAdapter(result); 1480 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1481 // Clear the checked item. 1482 mCheckedItem = -1; 1483 alternatesPopup.show(); 1484 ListView listView = alternatesPopup.getListView(); 1485 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1486 // Checked item would be -1 if the adapter has not 1487 // loaded the view that should be checked yet. The 1488 // variable will be set correctly when onCheckedItemChanged 1489 // is called in a separate thread. 1490 if (mCheckedItem != -1) { 1491 listView.setItemChecked(mCheckedItem, true); 1492 mCheckedItem = -1; 1493 } 1494 } 1495 }.execute((Void[]) null); 1496 } 1497 1498 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1499 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1500 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1501 } 1502 1503 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1504 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1505 .getEntry()); 1506 } 1507 1508 @Override 1509 public void onCheckedItemChanged(int position) { 1510 ListView listView = mAlternatesPopup.getListView(); 1511 if (listView != null && listView.getCheckedItemCount() == 0) { 1512 listView.setItemChecked(position, true); 1513 } 1514 mCheckedItem = position; 1515 } 1516 1517 private int putOffsetInRange(final float x, final float y) { 1518 final int offset; 1519 1520 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1521 offset = getOffsetForPosition(x, y); 1522 } else { 1523 offset = supportGetOffsetForPosition(x, y); 1524 } 1525 1526 return putOffsetInRange(offset); 1527 } 1528 1529 // TODO: This algorithm will need a lot of tweaking after more people have used 1530 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1531 // what comes before the finger. 1532 private int putOffsetInRange(int o) { 1533 int offset = o; 1534 Editable text = getText(); 1535 int length = text.length(); 1536 // Remove whitespace from end to find "real end" 1537 int realLength = length; 1538 for (int i = length - 1; i >= 0; i--) { 1539 if (text.charAt(i) == ' ') { 1540 realLength--; 1541 } else { 1542 break; 1543 } 1544 } 1545 1546 // If the offset is beyond or at the end of the text, 1547 // leave it alone. 1548 if (offset >= realLength) { 1549 return offset; 1550 } 1551 Editable editable = getText(); 1552 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1553 // Keep walking backward! 1554 offset--; 1555 } 1556 return offset; 1557 } 1558 1559 private static int findText(Editable text, int offset) { 1560 if (text.charAt(offset) != ' ') { 1561 return offset; 1562 } 1563 return -1; 1564 } 1565 1566 private DrawableRecipientChip findChip(int offset) { 1567 DrawableRecipientChip[] chips = 1568 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1569 // Find the chip that contains this offset. 1570 for (int i = 0; i < chips.length; i++) { 1571 DrawableRecipientChip chip = chips[i]; 1572 int start = getChipStart(chip); 1573 int end = getChipEnd(chip); 1574 if (offset >= start && offset <= end) { 1575 return chip; 1576 } 1577 } 1578 return null; 1579 } 1580 1581 // Visible for testing. 1582 // Use this method to generate text to add to the list of addresses. 1583 /* package */String createAddressText(RecipientEntry entry) { 1584 String display = entry.getDisplayName(); 1585 String address = entry.getDestination(); 1586 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1587 display = null; 1588 } 1589 String trimmedDisplayText; 1590 if (isPhoneQuery() && isPhoneNumber(address)) { 1591 trimmedDisplayText = address.trim(); 1592 } else { 1593 if (address != null) { 1594 // Tokenize out the address in case the address already 1595 // contained the username as well. 1596 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1597 if (tokenized != null && tokenized.length > 0) { 1598 address = tokenized[0].getAddress(); 1599 } 1600 } 1601 Rfc822Token token = new Rfc822Token(display, address, null); 1602 trimmedDisplayText = token.toString().trim(); 1603 } 1604 int index = trimmedDisplayText.indexOf(","); 1605 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1606 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1607 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1608 } 1609 1610 // Visible for testing. 1611 // Use this method to generate text to display in a chip. 1612 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1613 String display = entry.getDisplayName(); 1614 String address = entry.getDestination(); 1615 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1616 display = null; 1617 } 1618 if (!TextUtils.isEmpty(display)) { 1619 return display; 1620 } else if (!TextUtils.isEmpty(address)){ 1621 return address; 1622 } else { 1623 return new Rfc822Token(display, address, null).toString(); 1624 } 1625 } 1626 1627 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1628 String displayText = createAddressText(entry); 1629 if (TextUtils.isEmpty(displayText)) { 1630 return null; 1631 } 1632 SpannableString chipText = null; 1633 // Always leave a blank space at the end of a chip. 1634 int textLength = displayText.length() - 1; 1635 chipText = new SpannableString(displayText); 1636 if (!mNoChips) { 1637 try { 1638 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1639 false /* leave space for contact icon */); 1640 chipText.setSpan(chip, 0, textLength, 1641 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1642 chip.setOriginalText(chipText.toString()); 1643 } catch (NullPointerException e) { 1644 Log.e(TAG, e.getMessage(), e); 1645 return null; 1646 } 1647 } 1648 return chipText; 1649 } 1650 1651 /** 1652 * When an item in the suggestions list has been clicked, create a chip from the 1653 * contact information of the selected item. 1654 */ 1655 @Override 1656 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1657 if (position < 0) { 1658 return; 1659 } 1660 submitItemAtPosition(position); 1661 } 1662 1663 private void submitItemAtPosition(int position) { 1664 RecipientEntry entry = createValidatedEntry( 1665 (RecipientEntry)getAdapter().getItem(position)); 1666 if (entry == null) { 1667 return; 1668 } 1669 clearComposingText(); 1670 1671 int end = getSelectionEnd(); 1672 int start = mTokenizer.findTokenStart(getText(), end); 1673 1674 Editable editable = getText(); 1675 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1676 CharSequence chip = createChip(entry, false); 1677 if (chip != null && start >= 0 && end >= 0) { 1678 editable.replace(start, end, chip); 1679 } 1680 sanitizeBetween(); 1681 } 1682 1683 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1684 if (item == null) { 1685 return null; 1686 } 1687 final RecipientEntry entry; 1688 // If the display name and the address are the same, or if this is a 1689 // valid contact, but the destination is invalid, then make this a fake 1690 // recipient that is editable. 1691 String destination = item.getDestination(); 1692 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1693 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1694 destination, item.isValid()); 1695 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1696 && (TextUtils.isEmpty(item.getDisplayName()) 1697 || TextUtils.equals(item.getDisplayName(), destination) 1698 || (mValidator != null && !mValidator.isValid(destination)))) { 1699 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1700 } else { 1701 entry = item; 1702 } 1703 return entry; 1704 } 1705 1706 /** Returns a collection of contact Id for each chip inside this View. */ 1707 /* package */ Collection<Long> getContactIds() { 1708 final Set<Long> result = new HashSet<Long>(); 1709 DrawableRecipientChip[] chips = getSortedRecipients(); 1710 if (chips != null) { 1711 for (DrawableRecipientChip chip : chips) { 1712 result.add(chip.getContactId()); 1713 } 1714 } 1715 return result; 1716 } 1717 1718 1719 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1720 /* package */ Collection<Long> getDataIds() { 1721 final Set<Long> result = new HashSet<Long>(); 1722 DrawableRecipientChip [] chips = getSortedRecipients(); 1723 if (chips != null) { 1724 for (DrawableRecipientChip chip : chips) { 1725 result.add(chip.getDataId()); 1726 } 1727 } 1728 return result; 1729 } 1730 1731 // Visible for testing. 1732 /* package */DrawableRecipientChip[] getSortedRecipients() { 1733 DrawableRecipientChip[] recips = getSpannable() 1734 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1735 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1736 Arrays.asList(recips)); 1737 final Spannable spannable = getSpannable(); 1738 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1739 1740 @Override 1741 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1742 int firstStart = spannable.getSpanStart(first); 1743 int secondStart = spannable.getSpanStart(second); 1744 if (firstStart < secondStart) { 1745 return -1; 1746 } else if (firstStart > secondStart) { 1747 return 1; 1748 } else { 1749 return 0; 1750 } 1751 } 1752 }); 1753 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1754 } 1755 1756 @Override 1757 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1758 return false; 1759 } 1760 1761 @Override 1762 public void onDestroyActionMode(ActionMode mode) { 1763 } 1764 1765 @Override 1766 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1767 return false; 1768 } 1769 1770 /** 1771 * No chips are selectable. 1772 */ 1773 @Override 1774 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1775 return false; 1776 } 1777 1778 // Visible for testing. 1779 /* package */ImageSpan getMoreChip() { 1780 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1781 MoreImageSpan.class); 1782 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1783 } 1784 1785 private MoreImageSpan createMoreSpan(int count) { 1786 String moreText = String.format(mMoreItem.getText().toString(), count); 1787 TextPaint morePaint = new TextPaint(getPaint()); 1788 morePaint.setTextSize(mMoreItem.getTextSize()); 1789 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1790 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1791 + mMoreItem.getPaddingRight(); 1792 int height = getLineHeight(); 1793 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1794 Canvas canvas = new Canvas(drawable); 1795 int adjustedHeight = height; 1796 Layout layout = getLayout(); 1797 if (layout != null) { 1798 adjustedHeight -= layout.getLineDescent(0); 1799 } 1800 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1801 1802 Drawable result = new BitmapDrawable(getResources(), drawable); 1803 result.setBounds(0, 0, width, height); 1804 return new MoreImageSpan(result); 1805 } 1806 1807 // Visible for testing. 1808 /*package*/ void createMoreChipPlainText() { 1809 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1810 Editable text = getText(); 1811 int start = 0; 1812 int end = start; 1813 for (int i = 0; i < CHIP_LIMIT; i++) { 1814 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1815 start = end; // move to the next token and get its end. 1816 } 1817 // Now, count total addresses. 1818 start = 0; 1819 int tokenCount = countTokens(text); 1820 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1821 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1822 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1823 text.replace(end, text.length(), chipText); 1824 mMoreChip = moreSpan; 1825 } 1826 1827 // Visible for testing. 1828 /* package */int countTokens(Editable text) { 1829 int tokenCount = 0; 1830 int start = 0; 1831 while (start < text.length()) { 1832 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1833 tokenCount++; 1834 if (start >= text.length()) { 1835 break; 1836 } 1837 } 1838 return tokenCount; 1839 } 1840 1841 /** 1842 * Create the more chip. The more chip is text that replaces any chips that 1843 * do not fit in the pre-defined available space when the 1844 * RecipientEditTextView loses focus. 1845 */ 1846 // Visible for testing. 1847 /* package */ void createMoreChip() { 1848 if (mNoChips) { 1849 createMoreChipPlainText(); 1850 return; 1851 } 1852 1853 if (!mShouldShrink) { 1854 return; 1855 } 1856 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1857 if (tempMore.length > 0) { 1858 getSpannable().removeSpan(tempMore[0]); 1859 } 1860 DrawableRecipientChip[] recipients = getSortedRecipients(); 1861 1862 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1863 mMoreChip = null; 1864 return; 1865 } 1866 Spannable spannable = getSpannable(); 1867 int numRecipients = recipients.length; 1868 int overage = numRecipients - CHIP_LIMIT; 1869 MoreImageSpan moreSpan = createMoreSpan(overage); 1870 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1871 int totalReplaceStart = 0; 1872 int totalReplaceEnd = 0; 1873 Editable text = getText(); 1874 for (int i = numRecipients - overage; i < recipients.length; i++) { 1875 mRemovedSpans.add(recipients[i]); 1876 if (i == numRecipients - overage) { 1877 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1878 } 1879 if (i == recipients.length - 1) { 1880 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1881 } 1882 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1883 int spanStart = spannable.getSpanStart(recipients[i]); 1884 int spanEnd = spannable.getSpanEnd(recipients[i]); 1885 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1886 } 1887 spannable.removeSpan(recipients[i]); 1888 } 1889 if (totalReplaceEnd < text.length()) { 1890 totalReplaceEnd = text.length(); 1891 } 1892 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1893 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1894 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1895 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1896 text.replace(start, end, chipText); 1897 mMoreChip = moreSpan; 1898 // If adding the +more chip goes over the limit, resize accordingly. 1899 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1900 setMaxLines(getLineCount()); 1901 } 1902 } 1903 1904 /** 1905 * Replace the more chip, if it exists, with all of the recipient chips it had 1906 * replaced when the RecipientEditTextView gains focus. 1907 */ 1908 // Visible for testing. 1909 /*package*/ void removeMoreChip() { 1910 if (mMoreChip != null) { 1911 Spannable span = getSpannable(); 1912 span.removeSpan(mMoreChip); 1913 mMoreChip = null; 1914 // Re-add the spans that were removed. 1915 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1916 // Recreate each removed span. 1917 DrawableRecipientChip[] recipients = getSortedRecipients(); 1918 // Start the search for tokens after the last currently visible 1919 // chip. 1920 if (recipients == null || recipients.length == 0) { 1921 return; 1922 } 1923 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1924 Editable editable = getText(); 1925 for (DrawableRecipientChip chip : mRemovedSpans) { 1926 int chipStart; 1927 int chipEnd; 1928 String token; 1929 // Need to find the location of the chip, again. 1930 token = (String) chip.getOriginalText(); 1931 // As we find the matching recipient for the remove spans, 1932 // reduce the size of the string we need to search. 1933 // That way, if there are duplicates, we always find the correct 1934 // recipient. 1935 chipStart = editable.toString().indexOf(token, end); 1936 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1937 // Only set the span if we found a matching token. 1938 if (chipStart != -1) { 1939 editable.setSpan(chip, chipStart, chipEnd, 1940 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1941 } 1942 } 1943 mRemovedSpans.clear(); 1944 } 1945 } 1946 } 1947 1948 /** 1949 * Show specified chip as selected. If the RecipientChip is just an email address, 1950 * selecting the chip will take the contents of the chip and place it at 1951 * the end of the RecipientEditTextView for inline editing. If the 1952 * RecipientChip is a complete contact, then selecting the chip 1953 * will change the background color of the chip, show the delete icon, 1954 * and a popup window with the address in use highlighted and any other 1955 * alternate addresses for the contact. 1956 * @param currentChip Chip to select. 1957 * @return A RecipientChip in the selected state or null if the chip 1958 * just contained an email address. 1959 */ 1960 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 1961 if (shouldShowEditableText(currentChip)) { 1962 CharSequence text = currentChip.getValue(); 1963 Editable editable = getText(); 1964 Spannable spannable = getSpannable(); 1965 int spanStart = spannable.getSpanStart(currentChip); 1966 int spanEnd = spannable.getSpanEnd(currentChip); 1967 spannable.removeSpan(currentChip); 1968 editable.delete(spanStart, spanEnd); 1969 setCursorVisible(true); 1970 setSelection(editable.length()); 1971 editable.append(text); 1972 return constructChipSpan( 1973 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1974 true, false); 1975 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1976 int start = getChipStart(currentChip); 1977 int end = getChipEnd(currentChip); 1978 getSpannable().removeSpan(currentChip); 1979 DrawableRecipientChip newChip; 1980 try { 1981 if (mNoChips) { 1982 return null; 1983 } 1984 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1985 } catch (NullPointerException e) { 1986 Log.e(TAG, e.getMessage(), e); 1987 return null; 1988 } 1989 Editable editable = getText(); 1990 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1991 if (start == -1 || end == -1) { 1992 Log.d(TAG, "The chip being selected no longer exists but should."); 1993 } else { 1994 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1995 } 1996 newChip.setSelected(true); 1997 if (shouldShowEditableText(newChip)) { 1998 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1999 } 2000 showAddress(newChip, mAddressPopup, getWidth()); 2001 setCursorVisible(false); 2002 return newChip; 2003 } else { 2004 int start = getChipStart(currentChip); 2005 int end = getChipEnd(currentChip); 2006 getSpannable().removeSpan(currentChip); 2007 DrawableRecipientChip newChip; 2008 try { 2009 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2010 } catch (NullPointerException e) { 2011 Log.e(TAG, e.getMessage(), e); 2012 return null; 2013 } 2014 Editable editable = getText(); 2015 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2016 if (start == -1 || end == -1) { 2017 Log.d(TAG, "The chip being selected no longer exists but should."); 2018 } else { 2019 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2020 } 2021 newChip.setSelected(true); 2022 if (shouldShowEditableText(newChip)) { 2023 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2024 } 2025 showAlternates(newChip, mAlternatesPopup, getWidth()); 2026 setCursorVisible(false); 2027 return newChip; 2028 } 2029 } 2030 2031 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2032 long contactId = currentChip.getContactId(); 2033 return contactId == RecipientEntry.INVALID_CONTACT 2034 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2035 } 2036 2037 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2038 int width) { 2039 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2040 int bottom = calculateOffsetFromBottom(line); 2041 // Align the alternates popup with the left side of the View, 2042 // regardless of the position of the chip tapped. 2043 popup.setWidth(width); 2044 popup.setAnchorView(this); 2045 popup.setVerticalOffset(bottom); 2046 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2047 popup.setOnItemClickListener(new OnItemClickListener() { 2048 @Override 2049 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2050 unselectChip(currentChip); 2051 popup.dismiss(); 2052 } 2053 }); 2054 popup.show(); 2055 ListView listView = popup.getListView(); 2056 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2057 listView.setItemChecked(0, true); 2058 } 2059 2060 /** 2061 * Remove selection from this chip. Unselecting a RecipientChip will render 2062 * the chip without a delete icon and with an unfocused background. This is 2063 * called when the RecipientChip no longer has focus. 2064 */ 2065 private void unselectChip(DrawableRecipientChip chip) { 2066 int start = getChipStart(chip); 2067 int end = getChipEnd(chip); 2068 Editable editable = getText(); 2069 mSelectedChip = null; 2070 if (start == -1 || end == -1) { 2071 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2072 setSelection(editable.length()); 2073 commitDefault(); 2074 } else { 2075 getSpannable().removeSpan(chip); 2076 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2077 editable.removeSpan(chip); 2078 try { 2079 if (!mNoChips) { 2080 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2081 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2082 } 2083 } catch (NullPointerException e) { 2084 Log.e(TAG, e.getMessage(), e); 2085 } 2086 } 2087 setCursorVisible(true); 2088 setSelection(editable.length()); 2089 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2090 mAlternatesPopup.dismiss(); 2091 } 2092 } 2093 2094 /** 2095 * Return whether a touch event was inside the delete target of 2096 * a selected chip. It is in the delete target if: 2097 * 1) the x and y points of the event are within the 2098 * delete assset. 2099 * 2) the point tapped would have caused a cursor to appear 2100 * right after the selected chip. 2101 * @return boolean 2102 */ 2103 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2104 // Figure out the bounds of this chip and whether or not 2105 // the user clicked in the X portion. 2106 // TODO: Should x and y be used, or removed? 2107 return chip.isSelected() && offset == getChipEnd(chip); 2108 } 2109 2110 /** 2111 * Remove the chip and any text associated with it from the RecipientEditTextView. 2112 */ 2113 // Visible for testing. 2114 /*pacakge*/ void removeChip(DrawableRecipientChip chip) { 2115 Spannable spannable = getSpannable(); 2116 int spanStart = spannable.getSpanStart(chip); 2117 int spanEnd = spannable.getSpanEnd(chip); 2118 Editable text = getText(); 2119 int toDelete = spanEnd; 2120 boolean wasSelected = chip == mSelectedChip; 2121 // Clear that there is a selected chip before updating any text. 2122 if (wasSelected) { 2123 mSelectedChip = null; 2124 } 2125 // Always remove trailing spaces when removing a chip. 2126 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2127 toDelete++; 2128 } 2129 spannable.removeSpan(chip); 2130 if (spanStart >= 0 && toDelete > 0) { 2131 text.delete(spanStart, toDelete); 2132 } 2133 if (wasSelected) { 2134 clearSelectedChip(); 2135 } 2136 } 2137 2138 /** 2139 * Replace this currently selected chip with a new chip 2140 * that uses the contact data provided. 2141 */ 2142 // Visible for testing. 2143 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2144 boolean wasSelected = chip == mSelectedChip; 2145 if (wasSelected) { 2146 mSelectedChip = null; 2147 } 2148 int start = getChipStart(chip); 2149 int end = getChipEnd(chip); 2150 getSpannable().removeSpan(chip); 2151 Editable editable = getText(); 2152 CharSequence chipText = createChip(entry, false); 2153 if (chipText != null) { 2154 if (start == -1 || end == -1) { 2155 Log.e(TAG, "The chip to replace does not exist but should."); 2156 editable.insert(0, chipText); 2157 } else { 2158 if (!TextUtils.isEmpty(chipText)) { 2159 // There may be a space to replace with this chip's new 2160 // associated space. Check for it 2161 int toReplace = end; 2162 while (toReplace >= 0 && toReplace < editable.length() 2163 && editable.charAt(toReplace) == ' ') { 2164 toReplace++; 2165 } 2166 editable.replace(start, toReplace, chipText); 2167 } 2168 } 2169 } 2170 setCursorVisible(true); 2171 if (wasSelected) { 2172 clearSelectedChip(); 2173 } 2174 } 2175 2176 /** 2177 * Handle click events for a chip. When a selected chip receives a click 2178 * event, see if that event was in the delete icon. If so, delete it. 2179 * Otherwise, unselect the chip. 2180 */ 2181 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2182 if (chip.isSelected()) { 2183 if (isInDelete(chip, offset, x, y)) { 2184 removeChip(chip); 2185 } else { 2186 clearSelectedChip(); 2187 } 2188 } 2189 } 2190 2191 private boolean chipsPending() { 2192 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2193 } 2194 2195 @Override 2196 public void removeTextChangedListener(TextWatcher watcher) { 2197 mTextWatcher = null; 2198 super.removeTextChangedListener(watcher); 2199 } 2200 2201 private class RecipientTextWatcher implements TextWatcher { 2202 2203 @Override 2204 public void afterTextChanged(Editable s) { 2205 // If the text has been set to null or empty, make sure we remove 2206 // all the spans we applied. 2207 if (TextUtils.isEmpty(s)) { 2208 // Remove all the chips spans. 2209 Spannable spannable = getSpannable(); 2210 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2211 DrawableRecipientChip.class); 2212 for (DrawableRecipientChip chip : chips) { 2213 spannable.removeSpan(chip); 2214 } 2215 if (mMoreChip != null) { 2216 spannable.removeSpan(mMoreChip); 2217 } 2218 return; 2219 } 2220 // Get whether there are any recipients pending addition to the 2221 // view. If there are, don't do anything in the text watcher. 2222 if (chipsPending()) { 2223 return; 2224 } 2225 // If the user is editing a chip, don't clear it. 2226 if (mSelectedChip != null) { 2227 if (!isGeneratedContact(mSelectedChip)) { 2228 setCursorVisible(true); 2229 setSelection(getText().length()); 2230 clearSelectedChip(); 2231 } else { 2232 return; 2233 } 2234 } 2235 int length = s.length(); 2236 // Make sure there is content there to parse and that it is 2237 // not just the commit character. 2238 if (length > 1) { 2239 if (lastCharacterIsCommitCharacter(s)) { 2240 commitByCharacter(); 2241 return; 2242 } 2243 char last; 2244 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2245 int len = length() - 1; 2246 if (end != len) { 2247 last = s.charAt(end); 2248 } else { 2249 last = s.charAt(len); 2250 } 2251 if (last == COMMIT_CHAR_SPACE) { 2252 if (!isPhoneQuery()) { 2253 // Check if this is a valid email address. If it is, 2254 // commit it. 2255 String text = getText().toString(); 2256 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2257 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2258 tokenStart)); 2259 if (!TextUtils.isEmpty(sub) && mValidator != null && 2260 mValidator.isValid(sub)) { 2261 commitByCharacter(); 2262 } 2263 } 2264 } 2265 } 2266 } 2267 2268 @Override 2269 public void onTextChanged(CharSequence s, int start, int before, int count) { 2270 // The user deleted some text OR some text was replaced; check to 2271 // see if the insertion point is on a space 2272 // following a chip. 2273 if (before - count == 1) { 2274 // If the item deleted is a space, and the thing before the 2275 // space is a chip, delete the entire span. 2276 int selStart = getSelectionStart(); 2277 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2278 DrawableRecipientChip.class); 2279 if (repl.length > 0) { 2280 // There is a chip there! Just remove it. 2281 Editable editable = getText(); 2282 // Add the separator token. 2283 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2284 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2285 tokenEnd = tokenEnd + 1; 2286 if (tokenEnd > editable.length()) { 2287 tokenEnd = editable.length(); 2288 } 2289 editable.delete(tokenStart, tokenEnd); 2290 getSpannable().removeSpan(repl[0]); 2291 } 2292 } else if (count > before) { 2293 if (mSelectedChip != null 2294 && isGeneratedContact(mSelectedChip)) { 2295 if (lastCharacterIsCommitCharacter(s)) { 2296 commitByCharacter(); 2297 return; 2298 } 2299 } 2300 } 2301 } 2302 2303 @Override 2304 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2305 // Do nothing. 2306 } 2307 } 2308 2309 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2310 char last; 2311 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2312 int len = length() - 1; 2313 if (end != len) { 2314 last = s.charAt(end); 2315 } else { 2316 last = s.charAt(len); 2317 } 2318 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2319 } 2320 2321 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2322 long contactId = chip.getContactId(); 2323 return contactId == RecipientEntry.INVALID_CONTACT 2324 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2325 } 2326 2327 /** 2328 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2329 */ 2330 private void handlePasteClip(ClipData clip) { 2331 removeTextChangedListener(mTextWatcher); 2332 2333 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2334 for (int i = 0; i < clip.getItemCount(); i++) { 2335 CharSequence paste = clip.getItemAt(i).getText(); 2336 if (paste != null) { 2337 int start = getSelectionStart(); 2338 int end = getSelectionEnd(); 2339 Editable editable = getText(); 2340 if (start >= 0 && end >= 0 && start != end) { 2341 editable.append(paste, start, end); 2342 } else { 2343 editable.insert(end, paste); 2344 } 2345 handlePasteAndReplace(); 2346 } 2347 } 2348 } 2349 2350 mHandler.post(mAddTextWatcher); 2351 } 2352 2353 @Override 2354 public boolean onTextContextMenuItem(int id) { 2355 if (id == android.R.id.paste) { 2356 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2357 Context.CLIPBOARD_SERVICE); 2358 handlePasteClip(clipboard.getPrimaryClip()); 2359 return true; 2360 } 2361 return super.onTextContextMenuItem(id); 2362 } 2363 2364 private void handlePasteAndReplace() { 2365 ArrayList<DrawableRecipientChip> created = handlePaste(); 2366 if (created != null && created.size() > 0) { 2367 // Perform reverse lookups on the pasted contacts. 2368 IndividualReplacementTask replace = new IndividualReplacementTask(); 2369 replace.execute(created); 2370 } 2371 } 2372 2373 // Visible for testing. 2374 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2375 String text = getText().toString(); 2376 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2377 String lastAddress = text.substring(originalTokenStart); 2378 int tokenStart = originalTokenStart; 2379 int prevTokenStart = 0; 2380 DrawableRecipientChip findChip = null; 2381 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2382 if (tokenStart != 0) { 2383 // There are things before this! 2384 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2385 prevTokenStart = tokenStart; 2386 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2387 findChip = findChip(tokenStart); 2388 if (tokenStart == originalTokenStart && findChip == null) { 2389 break; 2390 } 2391 } 2392 if (tokenStart != originalTokenStart) { 2393 if (findChip != null) { 2394 tokenStart = prevTokenStart; 2395 } 2396 int tokenEnd; 2397 DrawableRecipientChip createdChip; 2398 while (tokenStart < originalTokenStart) { 2399 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2400 tokenStart)); 2401 commitChip(tokenStart, tokenEnd, getText()); 2402 createdChip = findChip(tokenStart); 2403 if (createdChip == null) { 2404 break; 2405 } 2406 // +1 for the space at the end. 2407 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2408 created.add(createdChip); 2409 } 2410 } 2411 } 2412 // Take a look at the last token. If the token has been completed with a 2413 // commit character, create a chip. 2414 if (isCompletedToken(lastAddress)) { 2415 Editable editable = getText(); 2416 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2417 commitChip(tokenStart, editable.length(), editable); 2418 created.add(findChip(tokenStart)); 2419 } 2420 return created; 2421 } 2422 2423 // Visible for testing. 2424 /* package */int movePastTerminators(int tokenEnd) { 2425 if (tokenEnd >= length()) { 2426 return tokenEnd; 2427 } 2428 char atEnd = getText().toString().charAt(tokenEnd); 2429 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2430 tokenEnd++; 2431 } 2432 // This token had not only an end token character, but also a space 2433 // separating it from the next token. 2434 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2435 tokenEnd++; 2436 } 2437 return tokenEnd; 2438 } 2439 2440 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2441 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2442 try { 2443 if (mNoChips) { 2444 return null; 2445 } 2446 return constructChipSpan(entry, false, 2447 false /*leave space for contact icon */); 2448 } catch (NullPointerException e) { 2449 Log.e(TAG, e.getMessage(), e); 2450 return null; 2451 } 2452 } 2453 2454 @Override 2455 protected void onPreExecute() { 2456 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2457 // replaced 2458 final List<DrawableRecipientChip> originalRecipients = 2459 new ArrayList<DrawableRecipientChip>(); 2460 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2461 for (int i = 0; i < existingChips.length; i++) { 2462 originalRecipients.add(existingChips[i]); 2463 } 2464 if (mRemovedSpans != null) { 2465 originalRecipients.addAll(mRemovedSpans); 2466 } 2467 2468 final List<DrawableRecipientChip> replacements = 2469 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2470 2471 for (final DrawableRecipientChip chip : originalRecipients) { 2472 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2473 && getSpannable().getSpanStart(chip) != -1) { 2474 replacements.add(createFreeChip(chip.getEntry())); 2475 } else { 2476 replacements.add(null); 2477 } 2478 } 2479 2480 processReplacements(originalRecipients, replacements); 2481 } 2482 2483 @Override 2484 protected Void doInBackground(Void... params) { 2485 if (mIndividualReplacements != null) { 2486 mIndividualReplacements.cancel(true); 2487 } 2488 // For each chip in the list, look up the matching contact. 2489 // If there is a match, replace that chip with the matching 2490 // chip. 2491 final ArrayList<DrawableRecipientChip> recipients = 2492 new ArrayList<DrawableRecipientChip>(); 2493 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2494 for (int i = 0; i < existingChips.length; i++) { 2495 recipients.add(existingChips[i]); 2496 } 2497 if (mRemovedSpans != null) { 2498 recipients.addAll(mRemovedSpans); 2499 } 2500 ArrayList<String> addresses = new ArrayList<String>(); 2501 DrawableRecipientChip chip; 2502 for (int i = 0; i < recipients.size(); i++) { 2503 chip = recipients.get(i); 2504 if (chip != null) { 2505 addresses.add(createAddressText(chip.getEntry())); 2506 } 2507 } 2508 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2509 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2510 adapter.getAccount(), new RecipientMatchCallback() { 2511 @Override 2512 public void matchesFound(Map<String, RecipientEntry> entries) { 2513 final ArrayList<DrawableRecipientChip> replacements = 2514 new ArrayList<DrawableRecipientChip>(); 2515 for (final DrawableRecipientChip temp : recipients) { 2516 RecipientEntry entry = null; 2517 if (temp != null && RecipientEntry.isCreatedRecipient( 2518 temp.getEntry().getContactId()) 2519 && getSpannable().getSpanStart(temp) != -1) { 2520 // Replace this. 2521 entry = createValidatedEntry( 2522 entries.get(tokenizeAddress(temp.getEntry() 2523 .getDestination()))); 2524 } 2525 if (entry != null) { 2526 replacements.add(createFreeChip(entry)); 2527 } else { 2528 replacements.add(null); 2529 } 2530 } 2531 processReplacements(recipients, replacements); 2532 } 2533 2534 @Override 2535 public void matchesNotFound(final Set<String> unfoundAddresses) { 2536 final List<DrawableRecipientChip> replacements = 2537 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2538 2539 for (final DrawableRecipientChip temp : recipients) { 2540 if (temp != null && RecipientEntry.isCreatedRecipient( 2541 temp.getEntry().getContactId()) 2542 && getSpannable().getSpanStart(temp) != -1) { 2543 if (unfoundAddresses.contains( 2544 temp.getEntry().getDestination())) { 2545 replacements.add(createFreeChip(temp.getEntry())); 2546 } else { 2547 replacements.add(null); 2548 } 2549 } else { 2550 replacements.add(null); 2551 } 2552 } 2553 2554 processReplacements(recipients, replacements); 2555 } 2556 }); 2557 return null; 2558 } 2559 2560 private void processReplacements(final List<DrawableRecipientChip> recipients, 2561 final List<DrawableRecipientChip> replacements) { 2562 if (replacements != null && replacements.size() > 0) { 2563 final Runnable runnable = new Runnable() { 2564 @Override 2565 public void run() { 2566 final Editable text = new SpannableStringBuilder(getText()); 2567 int i = 0; 2568 for (final DrawableRecipientChip chip : recipients) { 2569 final DrawableRecipientChip replacement = replacements.get(i); 2570 if (replacement != null) { 2571 final RecipientEntry oldEntry = chip.getEntry(); 2572 final RecipientEntry newEntry = replacement.getEntry(); 2573 final boolean isBetter = 2574 RecipientAlternatesAdapter.getBetterRecipient( 2575 oldEntry, newEntry) == newEntry; 2576 2577 if (isBetter) { 2578 // Find the location of the chip in the text currently shown. 2579 final int start = text.getSpanStart(chip); 2580 if (start != -1) { 2581 // Replacing the entirety of what the chip represented, 2582 // including the extra space dividing it from other chips. 2583 final int end = 2584 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2585 text.removeSpan(chip); 2586 // Make sure we always have just 1 space at the end to 2587 // separate this chip from the next chip. 2588 final SpannableString displayText = 2589 new SpannableString(createAddressText( 2590 replacement.getEntry()).trim() + " "); 2591 displayText.setSpan(replacement, 0, 2592 displayText.length() - 1, 2593 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2594 // Replace the old text we found with with the new display 2595 // text, which now may also contain the display name of the 2596 // recipient. 2597 text.replace(start, end, displayText); 2598 replacement.setOriginalText(displayText.toString()); 2599 replacements.set(i, null); 2600 2601 recipients.set(i, replacement); 2602 } 2603 } 2604 } 2605 i++; 2606 } 2607 setText(text); 2608 } 2609 }; 2610 2611 if (Looper.myLooper() == Looper.getMainLooper()) { 2612 runnable.run(); 2613 } else { 2614 mHandler.post(runnable); 2615 } 2616 } 2617 } 2618 } 2619 2620 private class IndividualReplacementTask 2621 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2622 @Override 2623 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2624 // For each chip in the list, look up the matching contact. 2625 // If there is a match, replace that chip with the matching 2626 // chip. 2627 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2628 ArrayList<String> addresses = new ArrayList<String>(); 2629 DrawableRecipientChip chip; 2630 for (int i = 0; i < originalRecipients.size(); i++) { 2631 chip = originalRecipients.get(i); 2632 if (chip != null) { 2633 addresses.add(createAddressText(chip.getEntry())); 2634 } 2635 } 2636 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2637 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2638 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2639 new RecipientMatchCallback() { 2640 2641 @Override 2642 public void matchesFound(Map<String, RecipientEntry> entries) { 2643 for (final DrawableRecipientChip temp : originalRecipients) { 2644 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2645 .getContactId()) 2646 && getSpannable().getSpanStart(temp) != -1) { 2647 // Replace this. 2648 final RecipientEntry entry = createValidatedEntry(entries 2649 .get(tokenizeAddress(temp.getEntry().getDestination()) 2650 .toLowerCase())); 2651 if (entry != null) { 2652 mHandler.post(new Runnable() { 2653 @Override 2654 public void run() { 2655 replaceChip(temp, entry); 2656 } 2657 }); 2658 } 2659 } 2660 } 2661 } 2662 2663 @Override 2664 public void matchesNotFound(final Set<String> unfoundAddresses) { 2665 // No action required 2666 } 2667 }); 2668 return null; 2669 } 2670 } 2671 2672 2673 /** 2674 * MoreImageSpan is a simple class created for tracking the existence of a 2675 * more chip across activity restarts/ 2676 */ 2677 private class MoreImageSpan extends ImageSpan { 2678 public MoreImageSpan(Drawable b) { 2679 super(b); 2680 } 2681 } 2682 2683 @Override 2684 public boolean onDown(MotionEvent e) { 2685 return false; 2686 } 2687 2688 @Override 2689 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2690 // Do nothing. 2691 return false; 2692 } 2693 2694 @Override 2695 public void onLongPress(MotionEvent event) { 2696 if (mSelectedChip != null) { 2697 return; 2698 } 2699 float x = event.getX(); 2700 float y = event.getY(); 2701 final int offset = putOffsetInRange(x, y); 2702 DrawableRecipientChip currentChip = findChip(offset); 2703 if (currentChip != null) { 2704 if (mDragEnabled) { 2705 // Start drag-and-drop for the selected chip. 2706 startDrag(currentChip); 2707 } else { 2708 // Copy the selected chip email address. 2709 showCopyDialog(currentChip.getEntry().getDestination()); 2710 } 2711 } 2712 } 2713 2714 // The following methods are used to provide some functionality on older versions of Android 2715 // These methods were copied out of JB MR2's TextView 2716 ///////////////////////////////////////////////// 2717 private int supportGetOffsetForPosition(float x, float y) { 2718 if (getLayout() == null) return -1; 2719 final int line = supportGetLineAtCoordinate(y); 2720 final int offset = supportGetOffsetAtCoordinate(line, x); 2721 return offset; 2722 } 2723 2724 private float supportConvertToLocalHorizontalCoordinate(float x) { 2725 x -= getTotalPaddingLeft(); 2726 // Clamp the position to inside of the view. 2727 x = Math.max(0.0f, x); 2728 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2729 x += getScrollX(); 2730 return x; 2731 } 2732 2733 private int supportGetLineAtCoordinate(float y) { 2734 y -= getTotalPaddingLeft(); 2735 // Clamp the position to inside of the view. 2736 y = Math.max(0.0f, y); 2737 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2738 y += getScrollY(); 2739 return getLayout().getLineForVertical((int) y); 2740 } 2741 2742 private int supportGetOffsetAtCoordinate(int line, float x) { 2743 x = supportConvertToLocalHorizontalCoordinate(x); 2744 return getLayout().getOffsetForHorizontal(line, x); 2745 } 2746 ///////////////////////////////////////////////// 2747 2748 /** 2749 * Enables drag-and-drop for chips. 2750 */ 2751 public void enableDrag() { 2752 mDragEnabled = true; 2753 } 2754 2755 /** 2756 * Starts drag-and-drop for the selected chip. 2757 */ 2758 private void startDrag(DrawableRecipientChip currentChip) { 2759 String address = currentChip.getEntry().getDestination(); 2760 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2761 2762 // Start drag mode. 2763 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2764 2765 // Remove the current chip, so drag-and-drop will result in a move. 2766 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2767 removeChip(currentChip); 2768 } 2769 2770 /** 2771 * Handles drag event. 2772 */ 2773 @Override 2774 public boolean onDragEvent(DragEvent event) { 2775 switch (event.getAction()) { 2776 case DragEvent.ACTION_DRAG_STARTED: 2777 // Only handle plain text drag and drop. 2778 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2779 case DragEvent.ACTION_DRAG_ENTERED: 2780 requestFocus(); 2781 return true; 2782 case DragEvent.ACTION_DROP: 2783 handlePasteClip(event.getClipData()); 2784 return true; 2785 } 2786 return false; 2787 } 2788 2789 /** 2790 * Drag shadow for a {@link RecipientChip}. 2791 */ 2792 private final class RecipientChipShadow extends DragShadowBuilder { 2793 private final DrawableRecipientChip mChip; 2794 2795 public RecipientChipShadow(DrawableRecipientChip chip) { 2796 mChip = chip; 2797 } 2798 2799 @Override 2800 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2801 Rect rect = mChip.getBounds(); 2802 shadowSize.set(rect.width(), rect.height()); 2803 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2804 } 2805 2806 @Override 2807 public void onDrawShadow(Canvas canvas) { 2808 mChip.draw(canvas); 2809 } 2810 } 2811 2812 private void showCopyDialog(final String address) { 2813 mCopyAddress = address; 2814 mCopyDialog.setTitle(address); 2815 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2816 mCopyDialog.setCancelable(true); 2817 mCopyDialog.setCanceledOnTouchOutside(true); 2818 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2819 button.setOnClickListener(this); 2820 int btnTitleId; 2821 if (isPhoneQuery()) { 2822 btnTitleId = R.string.copy_number; 2823 } else { 2824 btnTitleId = R.string.copy_email; 2825 } 2826 String buttonTitle = getContext().getResources().getString(btnTitleId); 2827 button.setText(buttonTitle); 2828 mCopyDialog.setOnDismissListener(this); 2829 mCopyDialog.show(); 2830 } 2831 2832 @Override 2833 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2834 // Do nothing. 2835 return false; 2836 } 2837 2838 @Override 2839 public void onShowPress(MotionEvent e) { 2840 // Do nothing. 2841 } 2842 2843 @Override 2844 public boolean onSingleTapUp(MotionEvent e) { 2845 // Do nothing. 2846 return false; 2847 } 2848 2849 @Override 2850 public void onDismiss(DialogInterface dialog) { 2851 mCopyAddress = null; 2852 } 2853 2854 @Override 2855 public void onClick(View v) { 2856 // Copy this to the clipboard. 2857 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2858 Context.CLIPBOARD_SERVICE); 2859 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2860 mCopyDialog.dismiss(); 2861 } 2862 2863 protected boolean isPhoneQuery() { 2864 return getAdapter() != null 2865 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2866 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2867 } 2868} 2869